Product CatalogueStormwater SuppliesPoly FittingsPoly Riser4c. Poly Riser 25mm x 300mm (1") Back 4c. Poly Riser 25mm x 300mm (1") Product ID: ORI0250300 Brand: 2025-05-02 From: $3.52 AUD View or buy the Poly Riser Poly Fittings - 4c. Poly Riser 25mm x 300mm (1") from to discover other options and shipping details. Description Back to Poly Fittings - Poly Riser More Poly Riser and others in our range 6c. Poly Riser 40mm x 900mm (1 1|2") Poly All Thread Riser 25 mm x 300 mm 3h. Poly Riser 20mm x 1500mm (3/4") 7c. Poly Riser 50mm x 900mm (2") 2c. Poly Riser 15mm x 150mm (1/2") Poly Cut Off Riser 20mm x 300mm (3 by 4") Poly Riser 15mm x 600mm (1/2") ~10b. Poly Riser Continuous Thread 15mm x 300mm (1/2") 3c. Poly Riser 20mm x 200mm (3/4") Poly Riser 15mm x 900mm (1/2")